AU2020337710B2 - Apparatus and method for image coding based on filtering - Google Patents

Apparatus and method for image coding based on filtering Download PDF

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Publication number: AU2020337710B2
Authority: AU; Australia
Prior art keywords: information; alf; component; cross; filter
Prior art date: 2019-08-29
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Active

Application number

AU2020337710A

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English (en)

Other versions

AU2020337710A1 (en

Inventor

Jangwon CHOI

Junghak NAM

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

LG Electronics Inc

Original Assignee

LG Electronics Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2019-08-29

Filing date

2020-08-31

Publication date

2024-01-11

2020-08-31 Application filed by LG Electronics Inc filed Critical LG Electronics Inc

2022-04-14 Publication of AU2020337710A1 publication Critical patent/AU2020337710A1/en

2024-01-11 Application granted granted Critical

2024-01-11 Publication of AU2020337710B2 publication Critical patent/AU2020337710B2/en

2024-04-10 Priority to AU2024202277A priority Critical patent/AU2024202277A1/en

Status Active legal-status Critical Current

2040-08-31 Anticipated expiration legal-status Critical

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Classifications

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- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/117—Filters, e.g. for pre-processing or post-processing
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/18—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/46—Embedding additional information in the video signal during the compression process
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
- H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Compression Or Coding Systems Of Tv Signals (AREA)
Image Processing (AREA)

AU2020337710A 2019-08-29 2020-08-31 Apparatus and method for image coding based on filtering Active AU2020337710B2 (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
AU2024202277A AU2024202277A1 (en)	2019-08-29	2024-04-10	Apparatus and method for image coding based on filtering

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US201962893754P	2019-08-29	2019-08-29
US62/893,754		2019-08-29
PCT/KR2020/011591 WO2021040479A1 (fr)	2019-08-29	2020-08-31	Dispositif et procédé pour coder une vidéo sur la base d'un filtrage

Related Child Applications (1)

Application Number	Title	Priority Date	Filing Date
AU2024202277A Division AU2024202277A1 (en)	2019-08-29	2024-04-10	Apparatus and method for image coding based on filtering

Publications (2)

Publication Number	Publication Date
AU2020337710A1 AU2020337710A1 (en)	2022-04-14
AU2020337710B2 true AU2020337710B2 (en)	2024-01-11

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AU2020337710A Active AU2020337710B2 (en)	2019-08-29	2020-08-31	Apparatus and method for image coding based on filtering
AU2024202277A Pending AU2024202277A1 (en)	2019-08-29	2024-04-10	Apparatus and method for image coding based on filtering

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AU2024202277A Pending AU2024202277A1 (en)	2019-08-29	2024-04-10	Apparatus and method for image coding based on filtering

Country Status (8)

Country	Link
US (1)	US20220337841A1 (fr)
EP (1)	EP4024859A4 (fr)
JP (2)	JP7368603B2 (fr)
KR (1)	KR20220049486A (fr)
CN (1)	CN114586349A (fr)
AU (2)	AU2020337710B2 (fr)
CA (2)	CA3152954A1 (fr)
WO (1)	WO2021040479A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN114270850A (zh)	2019-08-08	2022-04-01	松下电器（美国）知识产权公司	用于视频编码的***和方法
AU2020335843B2 (en) *	2019-08-29	2024-01-11	Lg Electronics Inc.	Apparatus and method for coding image
WO2021045130A1 (fr) *	2019-09-03	2021-03-11	Panasonic Intellectual Property Corporation Of America	Système et procédé de codage vidéo
WO2021083257A1 (fr)	2019-10-29	2021-05-06	Beijing Bytedance Network Technology Co., Ltd.	Filtre de boucle adaptatif inter-composantes
IL294258A (en) *	2019-12-23	2022-08-01	Huawei Tech Co Ltd	Cross-component adaptive loop filtering and video coding
CN116034581A (zh) *	2020-06-10	2023-04-28	Lg电子株式会社	用信号通知aps标识符的图像编码/解码方法和设备及存储比特流的计算机可读记录介质
WO2024058595A1 (fr) *	2022-09-16	2024-03-21	주식회사 케이티	Procédé de codage/décodage d'image et support d'enregistrement stockant un flux binaire
WO2024078566A1 (fr) *	2022-10-12	2024-04-18	Douyin Vision Co., Ltd.	Prises étendues reposant sur des sources d'entrée multiples pour un filtre à boucle adaptatif dans codage vidéo

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR20170044631A (ko) *	2012-06-29	2017-04-25	한국전자통신연구원	영상 부호화/복호화 방법 및 장치

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US9807403B2 (en) *	2011-10-21	2017-10-31	Qualcomm Incorporated	Adaptive loop filtering for chroma components
US10419757B2 (en) *	2016-08-31	2019-09-17	Qualcomm Incorporated	Cross-component filter
US10477240B2 (en) *	2016-12-19	2019-11-12	Qualcomm Incorporated	Linear model prediction mode with sample accessing for video coding
GB2586484B (en) *	2019-08-20	2023-03-08	Canon Kk	A filter
JP7368145B2 (ja) *	2019-08-28	2023-10-24	シャープ株式会社	画像符号化装置、および、画像復号装置
US11234010B2 (en) *	2019-08-28	2022-01-25	Qualcomm Incorporated	Cross-component adaptive loop filtering for video coding
EP4024858A4 (fr) *	2019-08-29	2023-10-04	LG Electronics Inc.	Appareil et procédé de codage d'image à base de filtrage de boucle adaptatif à composante transversale
AU2020335843B2 (en) *	2019-08-29	2024-01-11	Lg Electronics Inc.	Apparatus and method for coding image

2020
- 2020-08-31 CA CA3152954A patent/CA3152954A1/fr active Pending
- 2020-08-31 CN CN202080073208.XA patent/CN114586349A/zh active Pending
- 2020-08-31 US US17/639,262 patent/US20220337841A1/en active Pending
- 2020-08-31 JP JP2022513650A patent/JP7368603B2/ja active Active
- 2020-08-31 AU AU2020337710A patent/AU2020337710B2/en active Active
- 2020-08-31 KR KR1020217027878A patent/KR20220049486A/ko active Search and Examination
- 2020-08-31 WO PCT/KR2020/011591 patent/WO2021040479A1/fr unknown
- 2020-08-31 CA CA3241768A patent/CA3241768A1/en active Pending
- 2020-08-31 EP EP20859150.3A patent/EP4024859A4/fr active Pending
2023
- 2023-10-12 JP JP2023176634A patent/JP2023171603A/ja active Pending
2024
- 2024-04-10 AU AU2024202277A patent/AU2024202277A1/en active Pending

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR20170044631A (ko) *	2012-06-29	2017-04-25	한국전자통신연구원	영상 부호화/복호화 방법 및 장치

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
BENJAMIN BROSS et al: "Versatile Video Coding (Draft 6)", 127. MPEG MEETING; 20190708 - 20190712; GOTHENBURG; (MOTION PICTURE EXPERT GROUP OR ISO/IEC JTC1/SC29/WG11), no. JVET-O2001-vE, 31 July 2019 Gothenburg SE, pages 1 - 455. *
KIRAN MISRA et al: "Cross-Component Adaptive Loop Filter for chroma", 15. JVET MEETING; 20190703 - 20190712; GOTHENBURG; (THE JVET OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ), no. JVET-O0636-r1, 7 July 2019, pages 1 - 9. *

Also Published As

Publication number	Publication date
KR20220049486A (ko)	2022-04-21
EP4024859A1 (fr)	2022-07-06
AU2024202277A1 (en)	2024-05-02
CA3152954A1 (fr)	2021-03-04
JP2023171603A (ja)	2023-12-01
JP7368603B2 (ja)	2023-10-24
CA3241768A1 (en)	2021-03-04
US20220337841A1 (en)	2022-10-20
EP4024859A4 (fr)	2023-08-23
CN114586349A (zh)	2022-06-03
JP2022545838A (ja)	2022-10-31
WO2021040479A1 (fr)	2021-03-04
AU2020337710A1 (en)	2022-04-14

Legal Events

Date	Code	Title	Description
2022-04-14	DA3	Amendments made section 104	Free format text: THE NATURE OF THE AMENDMENT IS: AMEND THE INVENTION TITLE TO READ APPARATUS AND METHOD FOR IMAGE CODING BASED ON FILTERING
2024-05-09	FGA	Letters patent sealed or granted (standard patent)

Publication	Publication Date	Title
US11496734B2 (en)	2022-11-08	Cross component filtering-based image coding apparatus and method
AU2020337710B2 (en)	2024-01-11	Apparatus and method for image coding based on filtering
US11936875B2 (en)	2024-03-19	In-loop filtering-based image coding apparatus and method
US12047568B2 (en)	2024-07-23	Cross-component adaptive loop filtering-based image coding apparatus and method
AU2020335843B2 (en)	2024-01-11	Apparatus and method for coding image
US11595697B2 (en)	2023-02-28	Adaptive loop filtering-based image coding apparatus and method
EP4084479A1 (fr)	2022-11-02	Appareil et procédé de codage d'image basés sur une sous-image
RU2820296C1 (ru)	2024-06-03	Оборудование и способ для кодирования изображений на основе фильтрации
RU2787884C1 (ru)	2023-01-13	Оборудование и способ для кодирования изображений на основе фильтрации
RU2806728C2 (ru)	2023-11-03	Оборудование и способ для кодирования изображений на основе фильтрации
US20230052204A1 (en)	2023-02-16	Picture splitting-based image coding device and method
US20230096855A1 (en)	2023-03-30	In-loop filtering-based image coding device and method
US20230046209A1 (en)	2023-02-16	Filtering-based image coding device and method